Search Results - "Schuytema, G.S"

Toxicity of Guthion and Guthion 2S to Xenopus laevis embryos by Schuytema, G.S, Nebeker, A.V, Griffis, W.L

“…The development of Xenopus laevis (African clawed frog) embryos exposed to the pesticide Guthion (technical grade) and Guthion 2S (commercial formulation) was…”
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Effects of dieldrin in food on growth and bioaccumulation in mallard ducklings by Nebekar, A.V, Dunn, K.D, Griffis, W.L, Schuytema, G.S

“…The effects of dieldrin in food organisms and commercial feed on the growth, and bioaccumulation in newly-hatched mallard ducks (Anas platyrhynchos) fed with…”
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Toxicity and estimated water quality criteria values in mallard ducklings exposed to pentachlorophenol by Nebeker, A.V, Griffis, W.L, Schuytema, G.S

“…Tests were conducted to determine the effects of pentachlorophenol (PCP) in feed on growth and bioaccumulation in mallard ducklings (Anas platyrhynchos)…”
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Comparative toxicity of ammonium and nitrate compounds to Pacific treefrog and African clawed frog tadpoles by Schuytema, G.S, Nebeker, A.V

“…The effects of ammonium nitrate, ammonium chloride, ammonium sulfate, and sodium nitrate on survival and growth of Pacific treefrog (Pseudacris regilla [Baird…”
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Comparative toxicity of diuron on survival and growth of Pacific treefrog, bullfrog, red-legged frog, and African clawed frog embryos and tadpoles by Schuytema, G.S, Nebeker, A.V

“…The effects of the herbicide diuron on survival and growth of Pacific treefrog (Pseudacris regilla), bullfrog (Rana catesbeiana), red-legged frog (Rana…”
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Effects of dietary exposure to forest pesticides on the brown garden snail Helix aspersa M ller by Schuytema, G.S., Nebeker, A.V., Griffis, W.L.

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Effects of ammonium sulfate on growth of larval Northwestern salamanders, red-legged and Pacific treefrog tadpoles, and juvenile fathead minnows by Nebeker, A.V, Schuytema, G.S

“…Flow-through tests were conducted to determine the effects of ammonium sulfate on the growth of three native amphibian species and one introduced fish species…”
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Effects of cadmium on growth and bioaccumulation in the Northwestern Salamander Ambystoma gracile by NEBEKER, A. V, SCHUYTEMA, G. S, OTT, S. L

“…The effect of cadmium in water on the survival, bioaccumulation and growth of larvae and juveniles of the Northwestern salamander (Ambystoma gracile) were…”
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Effects of dietary exposure to forest pesticides on the brown garden snail Helix aspersa Muller by Schuytema, G.S, Nebeker, A.V, Griffis, W.L

“…Brown golden snails, Helix aspersa, were fed diets contaminated with 5000 mg/kg of acephate, atrazine, glyphosate, hexazinone, picloram, carbaryl,…”
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Teratogenesis, toxicity, and bioconcentration in frogs exposed to dieldrin by Schuytema, G.S. (U.S. Environmental Protection Agency, Corvallis, OR), Nebeker, A.V, Griffis, W.L, Wilson, K.N

“…Teratogenesis, acute and chronic toxicity, growth and bioconcentration were investigated in various life stages (embryos, tadpoles, juveniles, adults) of the…”
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Effects of cadmium on limb regeneration in the Northwestern salamander Ambystoma gracile by NEBEKER, A. V, SCHUYTEMA, G. S, OTT, S. L

“…Cadmium significantly affected limb regrowth in Ambystoma gracile larvae, the lowest observed adverse effect level being 193.1 ug per litre in a 24-d test and…”
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Comparative toxicity of guthion and guthion 2S to Xenopus laevis and Pseudacris regilla tadpoles by SCHUYTEMA, G. S, NEBEKER, A. V, GRIFFIS, W. L

“…Tadpoles (Xenopus laevis and Pseudacris regilla) were exposed to Gutha and Guthian 2S, at concentrations ranging form 0.01-11.40 mg per litre in 4 and 8-d…”
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Effects of pentachlorophenol-contaminated food organisms on toxicity and bioaccumulation in the frog Xenopus laevis by Schuytema, G.S. (U.S. Environmental Protection Agency, Corvallis, OR.), Nebeker, A.V, Peterson, J.A, Griffis, W.L

“…Sub-adult African clawed frogs (Xenopus laevis) were fed pentachlorophenol (PCP)-injected mealworms containing 64.8 to 2604 ug of PCP per gram of worm for 27…”
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Hexachlorobenzene uptake by fathead minnows and macroinvertebrates in recirculating sediment/water systems by Schuytema, G.S, Krawczyk, D.F, Griffis, W.L, Nebeker, A.V, Robideaux, M.L

“…An efficient and reproducible method of direct shoot regeneration from leaf disks in strawberry (Fragaria X ananassa cv. Redcoat) has been developed. The…”
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Phosphorus inactivation by zirconium in a eutrophic pond [Water pollution management] by Sanville, William D., Powers, Charles F., Schuytema, Gerald S., Stay, Francis S., Lauer, William L.

“…A study on the inactivation of phosphorus by zirconium tetrachloride, as a possible approach to eutrophication control, was conducted in a eutrophic farm pond…”
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